First of all, bumping a thread 26min after you post a question is NOT going to win you any friends.
Next to answer your question; a sata raid controller will support raid and non-raid drives. As an example if you have a four port controller, you can have two drives in raid1 and two drives that are not part of the array for a total of four drives connected to the controller.
One last word of advise; do not buy a cheap raid controller. A quality raid card is going to cost as much as a high end motherboard ie $150 or more. If you just want sata connections, you can buy a sata controller card [non-raid] for less than half the price of the raid card. Again you will see many of the $20 controller cards. Using one of those type of cards is asking for a problem.
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